Checks if 2 arrays deep equal each other - Java Collection Framework

Java examples for Collection Framework:Array Equal

  1. HOME
  2. Java
  3. Collection Framework
  4. Array Equal

Description

Checks if 2 arrays deep equal each other

Demo Code


//package com.java2s;

public class Main {
    /**//  www . jav a2  s.  com
     * Checks if 2 arrays deep equal each other
     * @param src      The first array
     * @param dest      The second array
     * @return         | if(src == null || dest == null)
     *                |       result == (src == null) && (dest == null)
     * @return         | if(src.length != dest.length)
     *                |      result == false
     * @return         | if(
     *                |      for each int rowNumber in 0..src.length-1:
     *                |         src[rowNumber].length == dest[rowNumber].length
     *                |         && for each int columNumber in 0..src[rowNumber].length-1
     *                |               src[rowNumber][columNumber] == dest[rowNumber][columnNumber]
     *                | )
     *                | then result == true
     *                | else result == false
     */
    public static boolean deepEquals(boolean[][] src, boolean[][] dest) {
        if (src == null || dest == null)
            return (src == null) && (dest == null);

        if (src.length != dest.length)
            return false;

        for (int i = 0; i < src.length; i++) {
            if (src[i].length != dest[i].length)
                return false;

            for (int j = 0; j < src[i].length; j++) {
                if (src[i][j] != dest[i][j])
                    return false;
            }
        }
        return true;
    }
}

Related Tutorials